- dim -> hidden_size, n_layers -> num_hidden_layers - dim_ffn -> intermediate_size, n_heads -> num_attention_heads - n_kv_heads -> num_key_value_heads, max_len -> max_position_embeddings - norm_eps -> rms_norm_eps, tie_weight -> tie_word_embeddings - update model, inference, training, scripts, tests, docs
83 lines
2.5 KiB
Python
83 lines
2.5 KiB
Python
from dataclasses import dataclass
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from typing import Any, Dict, Optional
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from astrai.config.base import BaseConfig
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from astrai.factory import BaseFactory
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class ConfigFactory(BaseFactory[BaseConfig]):
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"""Factory that dispatches config classes by ``model_type``."""
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@classmethod
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def load(cls, raw: Dict[str, Any]) -> BaseConfig:
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model_type = raw.get("model_type") or "autoregressive_lm"
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config_cls = cls.get_component_class(model_type)
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return config_cls.from_dict(raw)
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@dataclass
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class BaseModelConfig(BaseConfig):
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"""Base config with ``model_type`` dispatch and file I/O."""
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model_type: Optional[str] = None
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neftune_alpha: float = 0.0
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@dataclass
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@ConfigFactory.register("autoregressive_lm")
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class AutoRegressiveLMConfig(BaseModelConfig):
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"""Configuration for autoregressive language model."""
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vocab_size: Optional[int] = None
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hidden_size: Optional[int] = None
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num_hidden_layers: Optional[int] = None
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rms_norm_eps: Optional[float] = None
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intermediate_size: Optional[int] = None
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tie_word_embeddings: Optional[bool] = None
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max_position_embeddings: Optional[int] = None
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rope_theta: Optional[float] = None
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rope_scaling: Optional[dict] = None
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attn_type: str = "gqa"
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num_attention_heads: Optional[int] = None
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num_key_value_heads: Optional[int] = None
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use_qk_norm: Optional[bool] = None
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use_gated_attention: Optional[bool] = None
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kv_lora_rank: Optional[int] = None
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qk_nope_head_dim: Optional[int] = None
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qk_rope_head_dim: Optional[int] = None
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ffn_type: str = "mlp"
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n_routed_experts: Optional[int] = None
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n_shared_experts: Optional[int] = None
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n_activated_experts: Optional[int] = None
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topk_method: Optional[str] = None
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@dataclass
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@ConfigFactory.register("embedding")
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class EncoderConfig(BaseModelConfig):
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"""Configuration for embedding encoder model."""
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vocab_size: Optional[int] = None
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hidden_size: Optional[int] = None
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num_hidden_layers: Optional[int] = None
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rms_norm_eps: Optional[float] = None
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intermediate_size: Optional[int] = None
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max_position_embeddings: Optional[int] = None
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rope_theta: Optional[float] = None
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rope_scaling: Optional[dict] = None
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attn_type: str = "gqa"
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num_attention_heads: Optional[int] = None
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num_key_value_heads: Optional[int] = None
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use_qk_norm: Optional[bool] = None
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use_gated_attention: Optional[bool] = None
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ffn_type: str = "mlp"
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pooling_type: Optional[str] = None
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normalize_embeddings: Optional[bool] = None
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